CAPÍTULO DE MUESTRA

Essential guides on swine health and production. Ovarian pathophysiology in the sow

Producto:

LANGUAGE: ENGLISH

Author(s): María Victoria Falceto Recio
Release date: 2015
ISBN: 978-84-16315-06-2
Pages: 70
Binding: Paperback, wire-o
Format: 17 x 11

Reproduction represents a key point in the maintenance of the pig sector in terms of production and contributes to the establishment of high levels of swine health. Therefore, it is essential to provide valuable tools to veterinarians about the main challenges related to this topic in order to minimise the impact caused by the most important disorders/diseases at reproductive level. This handbook, written by a renowned specialist in this field, has been developed through a visual and practical approach, using numerous figures that illustrate the ovarian pathophysiology of the sow, and providing the suitable content to the veterinarians so as to tackle this matter successfully.

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María Victoria Falceto Recio

Professor of Reproduction and Obstetrics, Faculty of Veterinary Medicine, University of Zaragoza.

Subject Coordinator of Porcine in the Degree of Veterinary.

Chief of the Reproductive Counseling Service of the Faculty of Veterinary.

Co-Director of the Master’s Degree in Swine Health and Production of the Universities of Lleida, Zaragoza, Barcelona and Madrid.

Secretary of the National Association of Swine Veterinarians (ANAVEPOR) and member of the board of the Association of Swine Veterinarians of Aragon (AVPA) and the Spanish National Association of Scientific Pig Farming (ANAPORC).

Director of the Magapor Professorship of the University of Zaragoza.

1.	Reproductive cycle 
	Reproductive system: parts and functions 
		Gonads: ovaries 
		Tubular part 
		Copulatory part
		Mammary glands
	Hypothalamic-pituitary-ovarian axis  and reproductive hormones 
	Factors that influence reproduction 
		External factors 
		Internal factors 
	Puberty 
	Reproductive ability 
	What are the characteristics of their reproductive cycle? 
	Follicular dynamics 
	Structures present in the ovary during 
	the reproductive cycle 
		Antral follicles 
		Corpora lutea 
		Corpora albicans 
	Hormonal profile 
Follicular phase 
	Control of oogenesis and folliculogenesis
	Endocrine control 
	Chronology of folliculogenesis in mature sows 
		Follicle recruitment: end of dioestrus or weaning in end of lactation period 
		Follicle selection: pro-oestrus 
		Follicle dominance: oestrus 
	Importance of oestrogens: heat 
		Practical application on the farm: 
		how is ideal heat detection? 
	What induces the preovulatory LH peak in the follicle? 
	Duration of oestrus and time of ovulation 
		Practical application on the farm: 
		time of service/insemination
Luteal phase 
	Early dioestrus 
	Late dioestrus/gestation 
	Corpora lutea in the reproductive cycle and gestation
	Ovulation rate 
	Importance of P4 
		Practical application on the farm: use of progestogens to synchronise heat in cycling sows
	Luteolysis 
		Practical application on the farm: induction of luteolysis with PG
2.	Anoestrus and reproductive seasonality
	Anoestrus and pseudoanoestrus 
	Summer anoestrus 
	Hormone levels 
	How can a problem of anoestrus be 
	diagnosed on a farm? 
	Differentiation between anoestrus and pseudoanoestrus 
		Ovarian ultrasound scan and P4 determination 
	Postmortem study of the ovaries 
	Heat induction with gonadotropins 
	Prevention of anoestrus 
3.	Identification of diseased ovaries 
	Reproductive consequences of abnormal ovarian function 
	Congenital alterations 
		Intersexuality 
		Paraovarian cysts 
	Acquired alterations 
		Cystic ovarian degeneration
		Ovarian neoplasms 
4.	References
5.	Glossary of abbreviations

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